Actually i want measure the orientation at each point on the boundary the formula is Ψ(b)={360-arcos(ux(b)) if uy<=0 and Ψ(b)={arcos(ux(b)) if uy>=0 for that i required the unit tangent vector and its direction cosines ux and uy, please help if possible, thanks in advance
How to find the unit vector 'u' tangent to the curve and its component 'ux' and 'uy'...?
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I want to know how to find the unit vector u tangent to the curve and its component ux and uy. I need it for the measurment of the orientation. please help me to solve this problem, thanks in advance
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